// Copyright (c) 2019, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

/// @assertion It is an error to call an expression whose type is potentially
/// nullable and not dynamic.
///
/// @description Check that it is a compile-time error to call an expression
/// whose type is potentially nullable and not dynamic. Test type aliases
/// @author sgrekhov@unipro.ru

extension on int {
  int call(int v) => this + v;
}
void foo() {}
typedef void Foo();

typedef IntAlias = int?;
typedef FunctionAlias = Function?;
typedef FooAlias = Foo?;

main() {
  var i = 42 as IntAlias;
  i(1);
//^^
// [analyzer] unspecified
// [cfe] unspecified

  var f1 = foo as FunctionAlias;
  f1();
//^^
// [analyzer] unspecified
// [cfe] unspecified

  var f2 = foo as FooAlias;
  f2();
//^^
// [analyzer] unspecified
// [cfe] unspecified

}